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Nock Henry - (Weapon Gunsmith)

Nock, Henry - (Weapon, Gunsmith) London gunsmith of the eighteenth century. In 1787 he invented a breech plug, `Nock's Patent Breech', the feature of which was that a thin gold or platinum touch-hole instantly communicated the flash to an antechamber within. (Thus a flintlock with this patent breech cannot be older than 1787.)